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Inicio Acta Otorrinolaringológica Española Comparison of Proliferating Cell Nuclear Antigen (PCNA) Expression among Nasal P...
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Original article
Available online 13 May 2024
Comparison of Proliferating Cell Nuclear Antigen (PCNA) Expression among Nasal Polyp and Chronic Rhinosinusitis
Comparación de la expresión del antígeno nuclear de células proliferantes (PCNA) entre pólipos nasales y rinosinusitis crónica
Alireza Barouha, Mohammadreza Jalali Nadoushanb,
Corresponding author
jalali@shahed.ac.ir
jalalinadooshan@yahoo.com

Corresponding author: Professor of Pathology Department, Faculty of Medicine, Shahed University, Tehran, Iran. Tel: +982188966131.
, Masood Soltanipura,c
a Medical Students Research Committee, Shahed University, Tehran, Iran
b Department of Pathology, Faculty of Medicine, Shahed University, Tehran, Iran
c Quality of Life Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
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Table 1. Demographic characteristics of the patients included in the study.
Table 2. Comparison of PCNA expression in nasal polyp and chronic rhinosinusitis.
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Abstract
Background and objective

Chronic rhinosinusitis is a common inflammatory disorder in sinonasal mucosa that could be developed with or without nasal polyps. Cellular proliferation is suggested as a possible mechanism of nasal polyp development. However, conducted studies in this context are limited. So, the present study's aim is the comparison of proliferating cell nuclear antigen (PCNA) expression in nasal polyps and chronic rhinosinusitis.

Materials and methods

In this cross-sectional study, 70 nasal polyp and 60 chronic rhinosinusitis samples from patients referred to Mostafa Khomeini Hospital, Tehran from 2017 to 2022 were immunohistochemically stained by PCNA marker. The percentage of PCNA nuclear expression was determined in two groups and its association with the type of pathological lesion and the patient's age and sex was analyzed by SPSS statistic software version 24 statistical software (IBM Statistics, USA).

Results

The mean percentage expression of PCNA in nasal polyp and chronic rhinosinusitis samples was 16.55 ± 13.66 and 17.58 ± 12.68 respectively (ranging from 0 to 57 in both groups) however, there was no significant statistical difference between the two groups (p = 0.479). No relationship was found between PCNA expression with age and sex in none of the chronic rhinosinusitis and nasal polyp groups.

Conclusion

Proliferative activity of the nasal epithelial cell is similar in chronic rhinosinusitis with and without nasal polyps and it is considered that the increase of epithelial cell proliferative activity probably has no role in nasal polyp development in patients with chronic rhinosinusitis.

Keywords:
Chronic rhinosinusitis
Nasal polyp
Cellular proliferation
Proliferating cell nuclear antigen
PCNA
Resumen
Antecedentes y objetivo

La rinosinusitis crónica es un trastorno inflamatorio común en la mucosa nasosinusal que puede desarrollarse con o sin pólipos nasales. Se sugiere la proliferación celular como un posible mecanismo de desarrollo de pólipos nasales. Sin embargo, los estudios realizados en este contexto son limitados. Entonces, el objetivo del presente estudio es comparar la expresión del antígeno nuclear de células proliferantes (PCNA) en pólipos nasales y rinosinusitis crónica.

Materiales y métodos

En este estudio transversal, 70 muestras de pólipos nasales y 60 de rinosinusitis crónica de pacientes remitidos al Hospital Mostafa Khomeini de Teherán entre 2017 y 2022 se tiñeron inmunohistoquímicamente con el marcador PCNA. Se determinó el porcentaje de expresión nuclear de PCNA en dos grupos y se analizó su asociación con el tipo de lesión patológica y la edad y sexo del paciente mediante el software estadístico SPSS versión 24 (IBM Statistics, EE. UU.).

Resultados

La expresión media del porcentaje de PCNA en muestras de pólipos nasales y rinosinusitis crónica fue 16,55 ± 13,66 y 17,58 ± 12,68 respectivamente (rango de 0 a 57 en ambos grupos); sin embargo, no hubo diferencia estadísticamente significativa entre los dos grupos (p = 0,479). No se encontró relación entre la expresión de PCNA con la edad y el sexo en ninguno de los grupos de rinosinusitis crónica y pólipos nasales.

Conclusión

La actividad proliferativa de las células epiteliales nasales es similar en la rinosinusitis crónica con y sin pólipos nasales y se considera que el aumento de la actividad proliferativa de las células epiteliales probablemente no tenga papel en el desarrollo de los pólipos nasales en pacientes con rinosinusitis crónica.

Palabras clave:
Rinosinusitis crónica
Pólipo nasal
Proliferación celular
Antígeno nuclear de células en proliferación
PCNA

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